Cross Reference: /bind-9.6-ESV-R11/lib/isc/hash.c

Lines Matching defs:hctx
146 	isc_hash_t *hctx;
164 	hctx = isc_mem_get(mctx, sizeof(isc_hash_t));
165 	if (hctx == NULL)
178 	result = isc_mutex_init(&hctx->lock);
185 	hctx->magic = HASH_MAGIC;
186 	hctx->mctx = NULL;
187 	isc_mem_attach(mctx, &hctx->mctx);
188 	hctx->initialized = ISC_FALSE;
189 	result = isc_refcount_init(&hctx->refcnt, 1);
192 	hctx->entropy = NULL;
193 	hctx->limit = limit;
194 	hctx->vectorlen = vlen;
195 	hctx->rndvector = rv;
198 		isc_entropy_attach(entropy, &hctx->entropy);
200 	*hctxp = hctx;
204 	DESTROYLOCK(&hctx->lock);
206 	isc_mem_put(mctx, hctx, sizeof(isc_hash_t));
238 isc_hash_ctxinit(isc_hash_t *hctx) {
241 	LOCK(&hctx->lock);
243 	if (hctx->initialized == ISC_TRUE)
246 	if (hctx->entropy) {
247 		result = isc_entropy_getdata(hctx->entropy,
248 					     hctx->rndvector, hctx->vectorlen,
256 		p = (unsigned char *)hctx->rndvector;
257 		for (i = 0; i < hctx->vectorlen; i += copylen, p += copylen) {
259 			if (i + sizeof(pr) <= hctx->vectorlen)
262 				copylen = hctx->vectorlen - i;
266 		INSIST(p == (unsigned char *)hctx->rndvector +
267 		       hctx->vectorlen);
270 	hctx->initialized = ISC_TRUE;
273 	UNLOCK(&hctx->lock);
284 isc_hash_ctxattach(isc_hash_t *hctx, isc_hash_t **hctxp) {
285 	REQUIRE(VALID_HASH(hctx));
288 	isc_refcount_increment(&hctx->refcnt, NULL);
289 	*hctxp = hctx;
294 	isc_hash_t *hctx;
298 	hctx = *hctxp;
301 	LOCK(&hctx->lock);
303 	isc_refcount_destroy(&hctx->refcnt);
305 	mctx = hctx->mctx;
306 	if (hctx->entropy != NULL)
307 		isc_entropy_detach(&hctx->entropy);
308 	if (hctx->rndvector != NULL)
309 		isc_mem_put(mctx, hctx->rndvector, hctx->vectorlen);
311 	UNLOCK(&hctx->lock);
313 	DESTROYLOCK(&hctx->lock);
315 	memset(hctx, 0, sizeof(isc_hash_t));
316 	isc_mem_put(mctx, hctx, sizeof(isc_hash_t));
322 	isc_hash_t *hctx;
326 	hctx = *hctxp;
328 	isc_refcount_decrement(&hctx->refcnt, &refs);
330 		destroy(&hctx);
348 hash_calc(isc_hash_t *hctx, const unsigned char *key, unsigned int keylen,
352 	hash_random_t *p = hctx->rndvector;
356 	if (hctx->initialized == ISC_FALSE)
357 		isc_hash_ctxinit(hctx);
373 isc_hash_ctxcalc(isc_hash_t *hctx, const unsigned char *key,
376 	REQUIRE(hctx != NULL && VALID_HASH(hctx));
377 	REQUIRE(keylen <= hctx->limit);
379 	return (hash_calc(hctx, key, keylen, case_sensitive));